class Rails::Generators::PluginGenerator

def valid_const?
  if /-\d/.match?(original_name)
    raise Error, "Invalid plugin name #{original_name}. Please give a name which does not contain a namespace starting with numeric characters."
  elsif /[^\w-]+/.match?(original_name)
    raise Error, "Invalid plugin name #{original_name}. Please give a name which uses only alphabetic, numeric, \"_\" or \"-\" characters."
  elsif /^\d/.match?(camelized)
    raise Error, "Invalid plugin name #{original_name}. Please give a name which does not start with numbers."
  elsif RESERVED_NAMES.include?(name)
    raise Error, "Invalid plugin name #{original_name}. Please give a " \
                 "name which does not match one of the reserved rails " \
                 "words: #{RESERVED_NAMES.join(", ")}"
  elsif Object.const_defined?(camelized)
    raise Error, "Invalid plugin name #{original_name}, constant #{camelized} is already in use. Please choose another plugin name."
  end
end